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Electro-optic level switch / for liquids - NL
The electro optical sensor consists of a robust metalhousing and a fused glass prism which contains an
infrared LED and a light receiver. When rising liquid
immerses the prism the light is refracted out into the liquid
leaving lithe or no light to reach the receiver. Sensing this
change the receiver actuates electronic switching within
the unit to operate an external alarm
unit.
* small size
* solid state integrated elctronics
* no moving parts
* simple installation